Hitachi PC-ARFP1E Installations- Und Betriebshandbuch Seite 46

CHECK MENU
7.3.1 Result of the PCB check
Indoor unit PCB
Normal
00
Abnormality of inlet air temperature thermistor
01
Abnormality of outlet air temperature thermistor
02
Abnormality of liquid pipe temperature thermistor
03
Abnormality of remote thermistor
04
Abnormality of gas pipe temperature thermistor
05
Abnormality of Central Station transmission
08
Abnormality of EEPROM
0A
Zero cross input failure
0b
Abnormality of indoor unit transmission during check
EE
7.4 SELF CHECKING
The self checking performs to check the wired controller and to
clear EEPROM (storage cell inside of the wired controller).
1 Press and hold "Menu" and "ECO" simultaneously for
three seconds during the normal mode (when unit is not
operating). The Check Menu is displayed.
2 Select "Self Checking" from the Check Menu and press "OK".
Check Menu
I. U./O. U. PCB Check
Self Checking
Sel.
3 (01) Select the process for "Self Checking".
To start self check, press "ECO".
-
To clear EEPROM, press " " and "ECO" simultaneously.
-
See EEPROM clear process (15) below.
Self Checking
0 1 : 0 0 0
P-3400
ARF-8Y050
38 PMML0496 rev.1 - 12/2020
02
/
02
Entr Rtrn
OK Back
2008.11.06 12:34
Outdoor unit PCB
Normal
00
Abnormality of outdoor unit transmission
07
ITO input failure
F4
HPS input failure
F5
Abnormality of protection signal detection circuit
F6
Abnormality of phase detection
F7
Abnormality of inverter transmission
F8
Abnormality of high pressure sensor
FA
Abnormality of temperature thermistor of compressor
Fb
discharge gas
Abnormality of low pressure sensor
FC
Abnormality of evaporating temperature thermistor in
Fd
heating
Abnormality of ambient air temperature thermistor
FF
4 (02) LCD Test
Press "OK" and the screen changes as shown at the right.
Self Checking
0 2 : 0 0 0
5 (03) Backlight Test
LCD brightness is changed gradually by pressing "OK".
6 (04) Contrast Test
Contrast of the LCD gradually changes by pressing "OK".
7 (05) Run Indicator Test
Press "OK" and the run indicator flashes in red and green
twice for each.
03: Backlight Test
04: Contrast Test
05: Run Indicator Test
Self Checking
0 3 : 0 0 0